body {
    font-family: '微软雅黑','serif';
}

.header {
    background: #66A4FA;
    color: white;
    float: left;
    width: 200px;
    height: 680px;
    margin-right: 20px;
    margin-top: 0px;
    text-align: center;
}

div > h1{
    font-size: 40px;
    margin-top: 35px;
}

div :nth-child(2n+1) {
    font-weight: bold;
    margin-right: 5px;
    margin-bottom: 0px;
}

h2 + div :nth-child(2n) {
    float: left;
    margin-top: 0px;
    margin-bottom: 0px;
}


.margintop {
    float: left;
    margin-top: 16px;
    margin-bottom: 16px !important;
}